Table 8.

Number of cigarettes smoked (n=628) and level of nicotine dependence (n=614) at baseline and after 3 months among participants who self-reported as continuing to smoke.

Variables	At baseline, mean (SD)	At 3 months, mean (SD)	Diff	r	P	t (df)	P	Cohen’s d
Cigarettes	17.90 (9.83)	14.00 (8.17)	3.90	.55	<.001	11.31 (627)	<.001	.45
HSIa	2.84 (1.54)	2.20 (1.51)	0.64	.68	<.001	13.04 (613)	<.001	.53

^a HSI=Heaviness of Smoking Index.